Nodejs Date Format format1()

Method Source Code

Date.prototype.format1 = function() {
    return "" + this.getMonth() + this.getFullYear();
}
function f(d) {/* w w  w.j  av a2  s  .c  om*/
    for (var i=0; i<60; i++) {
        assertEq(d.format1(), "91987");
    }
}
f(new Date("10/10/1987 1:11:11"));

var global = 0;
function f1() {
    return global++;
}
function g1() {
    return f1() + f1();
}
var result = 0;
for (var i=0; i<100; i++)
    result += g1();
assertEq(result, 19900);

function g2() {
    var a = [];
    var b = [];
    a.push(1);
    return a.length + b.length;
}
for (var i=0; i<100; i++)
    assertEq(g2(), 1);

Related

1. format(pattern)

   Date.prototype.format = function(pattern)
     if(!pattern){
       pattern = "yyyy-MM-dd";
     var o =
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
   ...
   

2. format(pattern)

   Date.prototype.format = function(pattern){
       var pattern = pattern;    
       var dateObj = {
           "Y" : this.getFullYear(),
           "M" : this.getMonth()+1,
           "D" : this.getDate(),
           "h" : this.getHours(),
           "m" : this.getMinutes(),
           "s" : this.getSeconds()
   ...
   

3. format(pattern, gmt)

   Date.prototype.format = function(pattern, gmt) {
     var result = '';
     var date = this;
     if(gmt != undefined) {
       var utc = date.getTime() + (date.getTimezoneOffset() * 60000);
       date = new Date(utc + (3600000 * gmt));
     for (var i = 0; i < pattern.length; i++) {
       var c = pattern[i];
   ...
   

4. format(str)

   Date.prototype.format = function (str) {
     const o = {
       'y+': this.getFullYear(),
       'M+': this.getMonth() + 1,
       'd+': this.getDate(),
       'h+': this.getHours(),
       'm+': this.getMinutes(),
       's+': this.getSeconds()
     Object.keys(o).forEach(element => {
       str = str.replace(new RegExp(element), substr => {
         return String.prototype.padStart.call(o[element], substr.length, '0')
       })
     })
     return str
   

5. format(strFormat)

   Date.prototype.format = function (strFormat) {
     'use strict';
     var d = new Date(this),
       mon = ['', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
       month = ['', 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
       day = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
       weekday = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
       v = {
         's': String(d.getSeconds()),
   ...
   

6. formatAMPM(date)

   function formatAMPM(date) {
     var hours = date.getHours();
     var minutes = date.getMinutes();
     var ampm = hours >= 12 ? 'pm' : 'am';
     hours = hours % 12;
     hours = hours ? hours : 12; 
     minutes = minutes < 10 ? '0'+minutes : minutes;
     var strTime = hours + ':' + minutes + ' ' + ampm;
     return strTime;
   ...
   

7. formatDate(date)

   function formatDate(date) {
     if(date instanceof Date === false) {
       return console.log("err");
     var year = date.getFullYear();
     var month = pad(date.getMonth() + 1);
     var day = pad(date.getDate());
     return [year, month, day].join('-');
   

8. formatDate(date)

   function formatDate(date){
     return date.split('-').reverse().join('/');
   

9. formatDate(format)

   Date.prototype.formatDate = function(format) {
     var date = this,
       day = date.getDate(),
       month = date.getMonth() + 1,
       year = date.getFullYear(),
       hours = date.getHours(),
       minutes = date.getMinutes(),
       seconds = date.getSeconds();
     if (!format) {
   ...